Easy To Use Brush Roll On Bathtub And Tile Painting Kit. Includes pro bonding agent primer and lasts over 10+ years. Self leveling, durable, waterproof and may be used on porcelain bathtubs, ceramic wall and floor tiles, fiberglass, cultured marble, laminate countertops, sinks, in showers and for pool and spa tiles. Interior or exterior application. Free Shipping In 48 United States.